Fixes: out of array access Fixes: 20446/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_METADATA_fuzzer-5707770718584832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cbs_h265_syntax_template.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/cbs_h265_syntax_template.c b/libavcodec/cbs_h265_syntax_template.c index 180a045c34..5f5531944c 100644 --- a/libavcodec/cbs_h265_syntax_template.c +++ b/libavcodec/cbs_h265_syntax_template.c @@ -601,6 +601,8 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw, } } + if (i > 15) + return AVERROR_INVALIDDATA; infer(num_negative_pics, i); for (i = 0; i < current->num_negative_pics; i++) { infer(delta_poc_s0_minus1[i], @@ -630,6 +632,8 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw, } } + if (i + current->num_negative_pics > 15) + return AVERROR_INVALIDDATA; infer(num_positive_pics, i); for (i = 0; i < current->num_positive_pics; i++) { infer(delta_poc_s1_minus1[i], -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
